Fabricators Handbook
vOctober 25 update · 5.9 MB · code 13
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File information
UpdatedFeb 28, 2026
PublishedFeb 18, 2021
Packageappinventor.ai_1954gellis.Fabricators_handbook
VersionvOctober 25 update (13)
Size5.9 MB
MD5be7cae6acf7fb5df9fd2ee2c9fa13075
Min SDK14
Malware scanTRUSTED
Signature SHA1F7:48:7A:11:3C:52:AD:97:AD:6E:9C:6B:5E:57:EE:A7:CE:D2:FE:7D
Signer[email protected], O=AppInventor for Android, C=US
Total downloads100,000
This version100,000
DeveloperGellis apps
Age ratingEveryone
Security scan
TRUSTED
- Developer signature verified 2026-02-28
- Signature SHA1 F7:48:7A:11:3C:52:AD:97:AD:6E:9C:6B:5E:57:EE:A7:CE:D2:FE:7D
- File MD5 be7cae6acf7fb5df9fd2ee2c9fa13075
How to install Fabricators Handbook vOctober 25 update on Android API 14+
Takes about 2 minutes. You'll need roughly 5.9 MB of free storage.
- Grab appinventor.ai_1954gellis.Fabricators_handbook_13.apk — hit the Download button above (5.9 MB). If your browser warns about APK files, choose Keep or Download anyway — that warning fires on every APK, not just this one.
- Trust your browser to install — on Android 8+ go to Settings → Apps → Special access → Install unknown apps, pick the app you downloaded with (Chrome, Firefox, Files, etc.), and flip Allow from this source. On older Android, toggle Unknown sources under Security.
- (Optional) Verify the file — compute the MD5 of the downloaded APK and make sure it matches be7cae6acf7fb5df…. Any difference means the file is corrupted or tampered — delete and re-download.
- Open the APK — tap the download notification, or find appinventor.ai_1954gellis.Fabricators_handbook_13.apk in your Files app under Downloads, then tap it. Android's package installer will appear.
- Check the signer — the install screen will name the publisher. For this build it should read [email protected], O=AppInventor for Android, C=US. If it doesn't match, cancel — you have the wrong file.
- Review permissions & tap Install — scroll the permission list, then confirm. If Play Protect flags it, tap Install anyway (this APK was scanned as TRUSTED).
- Done — open Fabricators Handbook — tap Open on the install screen, or find the Fabricators Handbook icon in your app drawer.
Common install errors for Fabricators Handbook
- "App not installed" — usually means an older or differently-signed version is already on your device. Uninstall it first, then retry. Your data may be lost unless you back it up.
- "Parse error" — the APK is for a newer Android than yours. This version needs Android API 14 or later. Pick an older build from the versions list below.
- "There was a problem parsing the package" — the download was interrupted. Delete the file and re-download over Wi-Fi.